536131649 has 2 divisors, whose sum is σ = 536131650. Its totient is φ = 536131648.

The previous prime is 536131627. The next prime is 536131727. The reversal of 536131649 is 946131635.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453903025 + 82228624 = 21305^2 + 9068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536131649 is a prime.

It is not a weakly prime, because it can be changed into another prime (536131619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268065824 + 268065825.

It is an arithmetic number, because the mean of its divisors is an integer number (268065825).

Almost surely, 2^536131649 is an apocalyptic number.

It is an amenable number.

536131649 is a deficient number, since it is larger than the sum of its proper divisors (1).

536131649 is an equidigital number, since it uses as much as digits as its factorization.

536131649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 536131649 is about 23154.5168163795. The cubic root of 536131649 is about 812.3761194642.

The spelling of 536131649 in words is "five hundred thirty-six million, one hundred thirty-one thousand, six hundred forty-nine".